Sharpen your chain right on your guide bar. The precision Grinder combines the features of the Grind-N-Joint with the accuracy of the File-N-Joint. Easily clamps on your saw for fast precise sharpening.
Three grinding stones included:
5/32 DIA for Low Profile 3/8 Pitch
3/16 DIA for .325 Pitch
7/32 DIA for Standard 3/8 & .404 Pitch